162946431 has 16 divisors (see below), whose sum is σ = 243796320. Its totient is φ = 107553600.

The previous prime is 162946417. The next prime is 162946471. The reversal of 162946431 is 134649261.

162946431 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 4 + 643 + 1 = 666.

It is not a de Polignac number, because 162946431 - 2⁶ = 162946367 is a prime.

It is a super-2 number, since 2×162946431² = 53103078751275522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162946471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27150 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (15237270).

Almost surely, 2^162946431 is an apocalyptic number.

162946431 is a deficient number, since it is larger than the sum of its proper divisors (80849889).

162946431 is a wasteful number, since it uses less digits than its factorization.

162946431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59863 (or 59857 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 162946431 is about 12765.0472384555. The cubic root of 162946431 is about 546.1957093364.

The spelling of 162946431 in words is "one hundred sixty-two million, nine hundred forty-six thousand, four hundred thirty-one".